package viewers;

/**
 * Observer interface for an event-driven MVC pattern 
 * @author benjamin
 	This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
public interface Observer {
	/**
	 * Child classes should override this method to handle events raised by registered models
	 * @param id event id
	 * @param value
	 */
	public void onObservation(String id,Object value);
}
